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-rw-r--r--drivers/gpu/drm/i915/gvt/display.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c
index e0261fcc5b50..818e94907c3b 100644
--- a/drivers/gpu/drm/i915/gvt/display.c
+++ b/drivers/gpu/drm/i915/gvt/display.c
@@ -197,6 +197,12 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
(TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST |
(PORT_B << TRANS_DDI_PORT_SHIFT) |
TRANS_DDI_FUNC_ENABLE);
+ if (IS_BROADWELL(dev_priv)) {
+ vgpu_vreg(vgpu, PORT_CLK_SEL(PORT_B)) &=
+ ~PORT_CLK_SEL_MASK;
+ vgpu_vreg(vgpu, PORT_CLK_SEL(PORT_B)) |=
+ PORT_CLK_SEL_LCPLL_810;
+ }
vgpu_vreg(vgpu, DDI_BUF_CTL(PORT_B)) |= DDI_BUF_CTL_ENABLE;
vgpu_vreg(vgpu, DDI_BUF_CTL(PORT_B)) &= ~DDI_BUF_IS_IDLE;
vgpu_vreg(vgpu, SDEISR) |= SDE_PORTB_HOTPLUG_CPT;
@@ -211,6 +217,12 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
(TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST |
(PORT_C << TRANS_DDI_PORT_SHIFT) |
TRANS_DDI_FUNC_ENABLE);
+ if (IS_BROADWELL(dev_priv)) {
+ vgpu_vreg(vgpu, PORT_CLK_SEL(PORT_C)) &=
+ ~PORT_CLK_SEL_MASK;
+ vgpu_vreg(vgpu, PORT_CLK_SEL(PORT_C)) |=
+ PORT_CLK_SEL_LCPLL_810;
+ }
vgpu_vreg(vgpu, DDI_BUF_CTL(PORT_C)) |= DDI_BUF_CTL_ENABLE;
vgpu_vreg(vgpu, DDI_BUF_CTL(PORT_C)) &= ~DDI_BUF_IS_IDLE;
vgpu_vreg(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIC_DETECTED;
@@ -225,6 +237,12 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
(TRANS_DDI_BPC_8 | TRANS_DDI_MODE_SELECT_DP_SST |
(PORT_D << TRANS_DDI_PORT_SHIFT) |
TRANS_DDI_FUNC_ENABLE);
+ if (IS_BROADWELL(dev_priv)) {
+ vgpu_vreg(vgpu, PORT_CLK_SEL(PORT_D)) &=
+ ~PORT_CLK_SEL_MASK;
+ vgpu_vreg(vgpu, PORT_CLK_SEL(PORT_D)) |=
+ PORT_CLK_SEL_LCPLL_810;
+ }
vgpu_vreg(vgpu, DDI_BUF_CTL(PORT_D)) |= DDI_BUF_CTL_ENABLE;
vgpu_vreg(vgpu, DDI_BUF_CTL(PORT_D)) &= ~DDI_BUF_IS_IDLE;
vgpu_vreg(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDID_DETECTED;